Massaging device for a rest armchair

ABSTRACT

The device is intended to make massages of the left side of the user&#39;s back independently from the right side of the user&#39;s back, with the added possibility of regulating the intensity of such massage also independently in the modes of kneading, tapping vertical displacement. It has four independent motors ( 1, 3, 10  and  12 ) governed by a control unit ( 18 ) and which transmit the rotation to respective excentric ( 2, 4, 11  and  14 ) or centered ( 22 ) axes which are connected to conventional massage applicating elements ( 5  and  14 ). Said axes ( 2, 4, 11  and  14 ) or ( 22 ) include sensors ( 17 ) which inform on the angular position. The device is also provided with two motors ( 9  and  16 ) for the vertical displacement which are also connected to the control unit ( 18 ).

DESCRIPTION OBJECT OF THE INVENTION

This invention, as stated in this descriptive report, refers to amassage device for a lounge chair the aim of which is to permit totallyindependent and combined massages for the left and right areas of theback, both in the kneading and clapping modes and in the moving of theelements that provide the massage; four motors governed by a controlunit being included for this instead of the two typical motors inconventional massage chairs, as well as two motors employed for verticalmovement also connected to the control unit.

DESCRIPTION OF THE STATUS OF THE TECHNIQUE

These are well-known massage chairs which provide kneading and clappingmassages employing two motors which transmit movement to certaindependent shafts and to certain massage elements, all of this in such away that if the turning of these motors is produced in one direction akneading massage is established on both sides of the user's back, whileif the turning is produced in the opposite direction a clapping massageis produced on both sides of the back.

Thus, the U.S. Pat. Nos. 5,052,376, 5,137,016 and 5,460,598 includemassage-providing devices for armchairs which have two eccentric andinclined shafts which connect with the massage-providing devicesthemselves. These shafts are moved by motors in such a way that theturning of the motors in one direction causes one type of massage, whileturning in the opposite direction determines the other type of massage.

On the other hand, the publications of applications for patents numbersJP-A-7-323057, WO-A-97/37627, JP-A-02-279157, JP-A-02-172466,JP-A-9-75416, PCT/DE97/00873 and JP-A-9-38167 are well known. All theseapplications refer to massage devices, but none of these has fourindependent motors which can make the right and left massage sidesindependent, as in the case of the invention with which we areconcerned. Furthermore, neither do they allow massages to be given tothe left and right independently.

Finally, these devices cannot, obviously, graduate the intensity or thespeed of the massage to the left side with respect to the right side, orvice versa in order for these massages to be given with differentintensities or speeds in terms of the tastes or therapeutic needs of theuser.

DESCRIPTION

In order to achieve these objectives and avoid the inconveniencesindicated in the sections above, the invention consists of a massagedevice for a lounge chair which has four shafts, two of these beingconnected to an element for applying the massage to the left side of theuser's back, while the other two are connected to an element forapplying the massage to the right side of the user's back.

These shafts are joined by different means to four electric motors, onefor governing each shaft, generating kneading massages and clappingmassages independently. Two of the four motors are located for the leftside of the user's back and another two for the right side, each ofthese having an independent function, one left motor for kneading, whichtransmits a rotating movement to the left shaft for kneading, one leftmotor for clapping which transmits the rotating movement to the shaftfor clapping on the left, one right motor for kneading which transmitsthe rotating movement to the right shaft for kneading and a right motorfor clapping which transmits the rotating movement to the shaft forclapping on the left.

The generating of the kneading and clapping massages is performed viathe two elements for applying the massage moved by the aforementionedshafts, each element for applying the massage being joined to twoshafts, the kneading shaft in the upper part and the clapping shaft inthe lower part. These elements for applying the massage have massagewheels at those points intended to perform the massage on the user'sback.

The massage device that is the object of this invention, has differentmassage possibilities such as independent massage means for the left andright sides of the user, both for kneading and for clapping, with thepossibility of graduating the intensity or speed on each side in anindependent manner; synchronised or de-synchronised massage on bothsides of the user's back; variation in the direction of the kneadingmassage in the left area; variation in the direction of the kneadingmassage in the right area;, lateral multi-positioning in verticalmassaging in an independent manner for the left and right areas of theback; and in-depth multi-positioning in vertical massaging in anindependent manner for the left and right areas of the back.

In order to achieve the different types of massage, the four independentmotors are connected to a control unit, which will govern the movementof same.

The system for raising the massage elements depends on the location ofthe four massage motors. These can be grouped two by two, the two motorswith the task of the kneading and clapping massages on the left side andthe other two kneading and clapping motors on the right side, joined inpairs to two independent structures, one on the left side and the otheron the right side, in such a way that the ascent and descent of themotors is performed in an independent manner. By means of this system,massage at different levels on both sides, the left and right, of theback is achieved. The other option is for the four massage motors to befixed in the same structure in such a way that raising them occurstogether, that is to say, in this case there cannot be independentmassage at a different level for the left side and the right side of theback.

In the first case, in which the motors are fixed to two independentstructures for each side of the back, to determine the vertical locationof the four motors, two motors connected to the aforementioned controlunit exist, one of these vertically controls the motors with the task ofproviding the different types of massage on the left side of the user'sback and the other motor has the task of controlling the verticaldisplacement of the motors located on the right side. Displacement isperformed not only for the motors but for the entire massage system ingeneral, including the shafts on either side.

The vertical displacement system, with the massage motors grouped two bytwo, can be of different types, mainly using spindles, one spindle forthe vertical displacement of the two motors located on the left side,one for kneading and the another for clapping, and another spindle forcontrolling the height of the device on the right side. Each spindlewill be controlled by one of the two vertical displacement motors.

Another means for vertical displacement in the case of the motors beinggrouped two by two consists of a rack and pinion wheel, formed by foursides of the rack, one on each side of each structure in which themotors are grouped, their height being controlled by the verticaldisplacement motors which each have cogwheels at their ends which engagewith the sides of the rack-wheel. This mechanism can be substituted by asimilar one but instead of using rack sides, chains are used withpulleys at the ends.

In the case of the four massage motors being joined to a singlestructure, the displacement motors will be substituted by a single oneand any of the means described above may be employed but with thecorresponding modifications.

In order to control the situation of the four motors referred topreviously, positioning sensors are included connected to amicroprocessor in the control unit and in this way the position of therotors is known at all times, thus making for greater and bettercontrol, greater synchronisation in the movements of the independentshafts and therefore the type of massage possible. These sensors havethe task of controlling the turning angle of the different shafts ofwhich the device is composed and transmitting this to themicroprocessor. This same system is employed to control the verticallocation of the massage motors.

The rotating movement of the motors can be transmitted to the shafts inwhich the elements for applying the massage are located in differentways. The shafts for transmitting movement can be eccentric or inclinedand thus generate the movement required in the elements for applying themassage, but the movement is communicated from the motors via differentsystems. The first system employs traditional reducing wheels in thefour massage motors, in which helicoidal wheels are used for thetransmission of the rotating movement from the motor shaft to theeccentric inclined shaft. Another type of transmission is that whichuses belts and pulleys as transmitters of movement from the motor to theshafts. This type of transmission is carried out with two pulleys, oneconnected to the motor shaft and the other to the massage shaft wherethe elements for applying the massage are located, communication betweenthe two pulleys being by pulley. Another type of transmission employedconsists of using direct transmission by the rotors of the motors, thistype of rotating movement being applied directly to the eccentricshafts. In the above cases, the shafts connected with the elements forapplying the massage project to the outside of the structure, the motorsbeing located in the interior part of same.

In these types of transmission of the movement of the motors to theeccentric shafts, the latter can be substituted by centred shafts, thatis to say, by shafts without any type of eccentricity, projectingtowards the interior of the structure leaving the motors on the outsideof same. Each pair of centred shafts has a central support bearing whichis connected to these two shafts in such a way that the two shafts givemutual support but their turning movements remain independent. In orderto achieve the same movements as in the eccentric shafts, an eccentrictransmission element is included formed by a bush linked to the massageshaft but with its turning shaft displaced with respect to the massageshaft, achieving the eccentric movement acquired previously with theinclined eccentric shafts. The corresponding massage application elementis connected to these bushes.

Partial functioning of the chair is achieved by means of the fourindependent motors, maintaining many of their services even when thereis a fault in one of the motors.

These configurations described allow various types of massage to beobtained in a new and advantageous manner, but the main combinablemassages are the kneading and clapping massages together withindependence in the massage on the left and right sides. The kneadingmassage is performed by the kneading motor and shaft generating amovement in the massage application elements which is almost circulardue to the eccentricity and inclination of the shafts or the inclinedeccentric bushes located over these, while the clapping massage consistsof a massage, as the word itself indicates, in which the elements forapplying the massage penetrate the back of the chair and therefore theuser's back due to the eccentricity of the shafts or the eccentricity ofthe bushes located over these. The different types of massage obtainedby this device are the following:

The most important and relevant thing that this device offers is that itpermits the intensity or speed of the left side to be independent of theright side or vice versa, in terms of the need or therapeuticprescription of the user. For this, the control unit will be used toregulate the balance of the intensities or speeds.

Individual synchronised kneading massage in both directions.

By starting the two right and left kneading motors, massage is achievedin unison, on both sides of the back. The turning direction of the tworight and left kneading motors can be reversed individually, which willobtain:

Right and left kneading from inside outwards.

Right and left kneading from inside outwards.

Right kneading from inside to out and left from outside inwards.

Right kneading from outside inwards and left kneading from insideoutwards.

The kneading movements from inside outwards and vice versa mean that thecircumference drawn by the elements applying the massage is in thedirection of the hands of a clock and vice versa.

Individual synchronised clapping massage.

This type of massage is achieved by starting the left and right clappingmotors in unison, by which action a message is given to both sides ofthe back. In this type of massage, a change in the turning direction ofthe motor has no meaning as it does not change the type of messageobtained.

Kneading massage in both directions and clapping simultaneously.

By starting the left and right kneading motors, together with the leftand right clapping motors, two types of massage are achieved at the sametime on both sides of the back.

If the turning direction of one or of the two kneading motors ischanged, this massage will be given either from inside outwards or viceversa, on one or both sides of the back, in terms of the requirements ofthe user receiving the massage.

Individual kneading massage on the right side, in both directions.

This message is achieved by starting the right kneading motor, in one orthe other direction, to achieve a massage from inside outwards or viceversa.

Individual kneading message on the left side, in both directions.

This massage is achieved by starting the left kneading motor, in one orthe other direction, to achieve a massage from inside outwards or viceversa.

Individual clapping massage on the right side, in both directions.

In this case, the massage is achieved by only starting the rightclapping motor.

Individual clapping massage on the left side, in both directions.

In this case, the massage is achieved on the side required by onlystarting the left clapping motor.

Kneading massage on the right side, in both directions and clappingmassage on the left.

This combination of massages is achieved by starting the right kneadingmotor and the left clapping motor and, at the same time, we can selectthe turning direction of the kneading motor, for the massage to be fromthe inside outwards or vice versa.

Kneading massage on the left side, in both directions, and clappingmassage on the right.

This combination is achieved by starting the left kneading motor and theright clapping motor at the same time. Also the turning direction of thekneading motor can be selected at the same time, for this massage to beeither from the inside outwards or vice versa.

Individual de-synchronised kneading massage, in both directions.

This effect is achieved by using the positioning sensor located in eachof the kneading shafts which determine the position of each of the twoshafts, in this way, a choice may be made of whether the right and leftkneading shafts turn with a lack of synchronisation of a particularnumber of degrees, determined by the separation in the plate of thepositioning sensor.

At the same time that the de-synchronised massage is obtained at thatnumber of degrees, the turning direction of the motors can be changedeither in unison or separately, by which the massage will be performedfrom inside outwards or vice versa.

Individual de-synchronised clapping massage, in both directions.

The de-synchronising of the clapping massage is achieved by locating asensor which controls the position of the shaft in each one of theclapping shafts. In this way the left and right clapping shafts can bemade to turn with a de-synchronisation of a particular number ofdegrees, determined by the separation given in the plate of thepositioning sensor.

Various opening options in the vertical massage, with or withoutclapping.

The distance, or opening, between the massage wheels in the two elementsfor applying the massage is controlled by means of the position sensorsthat control the turning of the right and left kneading shafts, by meansof which a multitude of different openings for separation between theright and left massage wheels are achieved thanks to the eccentricity inthe kneading shafts. In this way, vertical massage can be performed withdifferent openings, that is to say, by vertically displacing the massagemotors and maintaining the distance between the left and right massagewheels constant, although variable if so wished by the user. If at thesame time that this massage is performed, the clapping shaft isactivated, the clapping massage will be performed with a particularseparation between the wheels.

Various pressure options on the user's back in vertical massage, with orwithout kneading.

The depth of the pressure on the shoulders of the users from the massagewheels, a pressure possible due to the eccentricity existing in theclapping shafts, is controlled by means of the positioning sensors thatcontrol the right and left clapping motors. In this way, verticalmassage can be performed with a pressure to be determined in terms ofthe reading made by the positioning sensor on the shaft. If, in thisway, vertical massage is started, by activating the verticaldisplacement motors, the massage will be performed with the pressuredetermined on the user's back. This type of massage, as with all theprevious ones, can be done totally independently on one or the otherside of the back, subjecting one to clapping with a certain depth andthe other to hardly any. If at the same time that this massage isperformed, the kneading massage is activated either on one or bothsides, and in one or the other direction, the massage combinationrequired will be achieved.

In view of this description, the various types of massage that can beachieved using this massage device for a lounge chair are almostunlimited due to the total independence of the two sides of the back, itbeing possible to subject the two sides to completely differentmassages, with different depths, with a different speed and intensityand at a different height. Due to these characteristics, the therapeuticadvantages of this device are enormous permitting treatment of all typesof discomfort and maladies of the back with a major guarantee ofsuccess.

DESCRIPTION OF THE FIGURES

In order to facilitate comprehension of the massage device for thelounge chair, eighteen figures are included in this application for apatent the aim of which is a better comprehension of the foundations onwhich the invention with which we are concerned is based and also abetter understanding of the description of a preferential form ofoperating, taking into account that the nature of the figures isillustrative and not limiting.

FIG. 1, shows schematically a block diagram of a massage device for alounge chair carried out according to this invention.

FIG. 2, shows a front view with partial sections of the four kneadingand clapping motors used by a massage device for a lounge chairaccording to this invention.

FIG. 3, shows a view in profile of a conventional element for applyingthe massage which is connected to two of the motors referred to in theprevious figure.

FIG. 4, shows, very schematically, the massage device located in thecorresponding chair, showing a view in profile and sections of the saidchair.

FIG. 5 shows a front view of the same four motors referred to in FIG. 2,but with two conventional elements for applying the massage connected tothem, similar to that referred to in FIG. 3.

FIG. 6, shows a variation of the invention similar to the previous onebut with transmission by pulleys instead of reducers and the four motorsgrouped in a common housing instead of being independent.

FIG. 7, shows another variation of the invention similar to FIG. 6 abovebut with transmission directly by the rotors of the motors to themassage shafts.

FIG. 8, shows a frontal, partial view in sections of another variationof the invention, in which the eccentric shafts of the motors aresubstituted by centred shafts, the necessary eccentricities beingobtained by means of additional parts.

FIG. 9, shows a view in perspective and in sections, complete and withtwo details added to the variation of the invention referred to in theprevious figure.

FIG. 10, shows a view of the invention in perspective, in which thevertical displacement of the massage motors is carried out by means of arack and pinion wheel system, the displacement of the massage motors onthe right side being independent of those on the left side.

FIG. 11, shows a view of the invention referred to in FIG. 10 inperspective, in which the two blocks of left and right motors are shownat different heights.

FIG. 12, shows a view of the two structures that house the right andleft motors independently in perspective, with all their components.

FIG. 13, shows a later front view of the invention in FIG. 12.

FIG. 14, shows a breakdown of the invention shown in FIGS. 12 and 13where the bushes that cause the eccentric movement of the elements thatapply the massage can be seen in detail.

FIG. 15, shows a view of the device that is the object of this inventionin perspective, in which two spindles are used for the verticaldisplacement of the massage motors, those on the right side beingindependent of those on the left side.

FIG. 16, shows a later view of the previous figure with an enlargeddetail in which the vertical positioning sensors can be seen.

FIG. 17, shows a later view of the two structures that house the rightand left motors independently, with all their components, in which thetransmission of the motors to the centred shafts is performed via beltsand pulleys.

FIG. 18, shows another later view of the two structures that house theright and left motors independently, with all their components, in whichthe transmission of the motors to the centred shafts is performeddirectly by the rotors of the motors to the massage shafts.

DESCRIPTION OF THE PREFERABLE MEANS OF OPERATING

A description of six examples of the invention with which we areconcerned, a massage device for a lounge chair, is given below, withreference to the numbering used in the figures.

Thus, the first example of the massage device for a lounge chair has aleft kneading motor 1 which, by means of reducers, transmits themovement to a left eccentric and inclined shaft 2 and a left clappingmotor 3 which by means of reducers transmits the movement to a lefteccentric shaft 4.

The shafts 2 and 4 connect with a conventional element for applying themassage 5 whose wheels 6 are those which from the interior of thecorresponding chair 7 are applied to the left part of the user's back.In turn, all the elements 1 to 6 can be displaced by a spindle 28 bymeans of a left displacement motor 9.

In the same way, the device in this first example for the right side,has a right kneading motor 10 which by means of the right clapping motor12 and reducers transmits the movement to a right eccentric shaft 13.

The shafts 11 and 13 connect with a conventional massage element 14whose wheels 15, with those from the interior of the corresponding chair7, are applied to the right part of the user's back.

All these elements 10 to 15 can be displaced in a block by a spindle (8)by means of a right displacement motor (16).

Furthermore, the four motors 1, 3, 10, and 12 have their respectivemagnetic sensors 17 connected to a microprocessor (not shown in thefigures for the greater clarity of same) which permit the situation ofthe angles of the shafts 2, 4, 11 and 13 to be known with exactitude.

The four kneading and clapping motors (1, 3, 10 y 12), the displacementmotors (9 and 16) and the aforementioned microprocessor are connected toan electronic control unit 18 which governs the activating of each ofthe six motors in terms of the orders received, according to thesituation of the aforementioned shafts 2, 4, 11 and 13 and by means ofthe necessary programmes.

Thus, according to the motors activated and the turning direction givento them, all the types of massage described in the section “DESCRIPTIONOF THE INVENTION”, are possible, these are:

Individual synchronised kneading massage in both directions (motors 1and 10)

Kneading massage in both directions and clapping at the same time(motors 1, 3, 10 and 12).

Individual kneading massage on the left side, in both directions (motor1).

Individual kneading massage on the right side, in both directions (motor10).

Individual clapping massage on the right side (motor 12).

Individual clapping massage on the left side (motor 3).

Kneading massage on the right side in both directions and clapping onthe left side (motors 10 and 3).

Kneading massage on the left side in both directions and clapping on theright side (motors 1 and 12).

Individual de-synchronised kneading massage in both directions (sensors17 of motors 1 and 10).

Individual de-synchronised clapping massage (sensors 17 of motors 3 and12).

Multiple options for distancing between the vertical massage wheels,with or without clapping (sensors 17 of the motors 1 and 10).

Multiple pressure options in the vertical massaging, with or withoutkneading (sensors 17 of the motors 3 and 12).

The second example for operating is similar to the above, with thedifferences that the transmission of the corresponding motors 1, 3, 10and 12 is by means of belts and pulleys 19 instead of reducers and thatthese four motors 1, 3, 10 and 12 are fixed in a common housing 20.

Logically, in this alone there is a spindle with a displacement motorthat has not been shown in the figures as they are the same as elements8 and 16 in the previous example.

This second example has the same massage possibilities as thoseindicated above for the first example, although here obviously it is notpossible to make the displacement of the left motors 1 and 3 and of theright motors 10 and 12 independent as they are mounted in a commonhousing 20; although, on the other hand, there would be no technicalreason why it would not be possible to part or separate the housing 20into two halves, one for motors 1 and 3 and another for motors 10 and 12and make the displacements using two independent spindles and twomotors, the same as motors 9 and 16 in the previous example.

Another alternative to the motor-shaft type of transmission and takinginto account that this concept is not the object of the patent, is shownin the third example of operating and consists of employing directtransmission by the rotors of motors 1, 3, 10 and 12 which are mountedin a common housing 21 and all that is said for the second example canbe extended to this third example of operating, although it is possibleto choose mounting in independent housings.

Logically, it would be possible to use any type of transmission existingor which may be developed in the future and which is suitable forapplying to this invention, as well as motor-shaft transmission by meansof reducers or pulleys or direct transmission.

The fourth example of operating is also similar to the first wherefunctioning is concerned, but with the difference that the eccentricshafts 2, 4, 11 and 13 which connect with the elements for applying themassage 5 and 14, are substituted by respective centred shafts 22 whichalso extend inwards into the interior instead of outwards, in such a waythat the four centred shafts 22 face each other in twos.

Each facing pair of centred shafts 22 have a central support bearing 23which connects with these two shafts 22, in such a way that these twoshafts 22 give mutual support but their turning movements remainindependent, as shown in FIG. 8.

Finally, an eccentric transmission device (24, 31) is located on each ofthe four centred shafts 22 which is connected to the correspondingelement for applying the massage 5 or 14.

With this configuration, this fourth example shows all the advantagesand uses of the first example but with the added advantage that itscomponents have less mechanical suffering as they do not suffer from thevibrations corresponding to the eccentric elements of the rotors of themotors.

The fifth example of operating is identical to the one above but withthe difference that the vertical displacement of the structures whichhouse the motors two by two (27, 29) is independent and governed by twomotors, one right 9 and one left 16, there being no two by two facingeach other as in the previous example. In this example a joint rack 25and pinion 26 wheel is used for the vertical displacement for eachmassage side, left and right, the vertical displacement motors (9, 16)being connected to the structures that house the massage motors (27,29).

The sixth example of operating is identical to the one above but thisvertical displacement system is composed of spindles (8, 28) governed bythe vertical displacement motors (9, 16) whose task is to displace thestructures 27 and 29 vertically.

What is claimed is:
 1. MASSAGE DEVICE FOR A REST ARMCHAIR, including means for applying kneading and tapping massage to a user's back, characterised in that the device includes: a left-hand kneading motor arranged to transmit rotation to a first shaft; a right-hand kneading motor arranged to transmit rotation to a second shaft; a left-hand tapping motor arranged to transmit rotation to a third shaft; a right-hand tapping motor arranged to transmit rotation to fourth shaft; wherein the first shaft and the third shaft are connected to a massage application element for the left-hand side of the user's back, whereas the second shaft and the fourth shaft are coupled to a massage application element for the right-hand side of the user's back; and wherein the motors are mutually independent, providing for: independence between the massage applied to the left-hand side of the user's back and the massage applied to the right-hand side of the user's back, for kneading as well as for tapping, allowing for regulation of the intensity or speed on each side in an independent manner; possibility of choosing between synchronisation or unsynchronisation between the massages applied to the left-hand and the right-hand side of the user's back; possibility of variation in the direction of the kneading massage on he left-hand side of the user's back and variation in the direction of the kneading massage on the right-hand side of the user's back, in a mutually independent manner.
 2. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 1, characterised in that said device further includes: a control unit connected to the four motors; and a number of sensors of the angular position of said first, second, third and fourth shafts, said sensors being connected to a microprocessor connected to said control unit, allowing for: multiple choice of lateral positioning of wheels of the massage application elements for vertical massaging, in an independent manner for the left-hand and right-hand regions of the users back, and multiple choice of depth positioning of wheels of the massage application elements, in order to adjust pressure for vertical massaging, in a independent manner for the left-hand and right-hand regions of the users back.
 3. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 2, characterised in that to the control unit is also connected a left-hand displacement motor which enables joint vertical displacement of the motors for left-hand kneading massage and left-hand tapping massage.
 4. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 2, characterised in that the four motors are fixed in a common casing, whereby the device includes a single vertical displacement motor for vertical displacement of said common casing said vertical displacement motor being connected with the control unit.
 5. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 4, characterised in that by means of a spindle said vertical displacement motor displaces said common casing.
 6. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 3, characterised in that by means of a spindle said left-hand displacement motor displaces the motors for left-hand kneading massage and left hand tapping massage.
 7. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 3, characterised in that to said control unit a right-hand displacement motor is connected which enables joint vertical displacement of the motors for right-hand kneading massage and right-hand tapping massage.
 8. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 7, characterised in that by means of a further spindle said right-hand displacement motor displaces the motors for right-hand kneading massage and right-hand tapping massage.
 9. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 1, characterised in that said four shafts are four centred shafts which project towards the inside and which are facing each other two by two; there being between each pair of centred facing shafts a support bearing which connects to the shafts of the corresponding pair, whereby said two shafts provide each other with mutual support maintaining their rotational motions independent; and an eccentric transmission device is located on each of the four centre shafts, which eccentric transmission device is connected to the corresponding massage application element.
 10. MESSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 1, characterised in that said four shafts comprise one left-hand, inclined and eccentric shaft, one right-hand, inclined and eccentric shaft, one left-hand eccentric shaft and one right-hand eccentric shaft; these shafts being connected respectively to the left-hand kneading massaging motor, the right-hand kneading massaging motor, the left-hand tapping massaging motor and the right-hand tapping massaging motor.
 11. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 10, characterised in that transmission of rotation from the motors to the shafts is arranged to take place through reducing gears.
 12. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 10, characterised in that transmission of rotation from the motors to the shafts is arranged to take place through pulleys and belts.
 13. MASSAGE DEVICE FOR A REST ARMCHAIR, in accordance with claim 10, characterised in that transmission of rotation from the motors to the shafts is arranged to take place directly by means of the rotors of said motors. 